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Nobel Prizes and Laureates

Nobel Prizes and Laureates

The Nobel Prize in Chemistry 2014
Eric Betzig, Stefan W. Hell, William E. Moerner

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Stefan W. Hell - Facts

Stefan W. Hell

Stefan W. Hell

Born: 23 December 1962, Arad, Romania

Affiliation at the time of the award: Max Planck Institute for Biophysical Chemistry, Göttingen, Germany, German Cancer Research Center, Heidelberg, Germany

Prize motivation: "for the development of super-resolved fluorescence microscopy"

Field: physical chemistry

Prize share: 1/3

Developed Microscopy Method

In normal microscopes the wavelength of light sets a limit to the level of detail possible. However this limitation can be circumvented by methods that make use of fluorescence, a phenomenon in which certain substances become luminous after having been exposed to light. In 1994, Stefan W. Hell developed a method in which one light pulse causes fluorescent molecules to glow, while another causes all molecules except those in a very narrow area to become dark. An image is created by sweeping light along the sample. This makes it possible to track processes occurring inside living cells.

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